144164772964609 has 4 divisors (see below), whose sum is σ = 144600316085680. Its totient is φ = 143729229843540.

The previous prime is 144164772964603. The next prime is 144164772964631. The reversal of 144164772964609 is 906469277461441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144164772964609 - 2⁷ = 144164772964481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144164772964603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217771560039 + ... + 217771560700.

It is an arithmetic number, because the mean of its divisors is an integer number (36150079021420).

Almost surely, 2^{144164772964609} is an apocalyptic number.

It is an amenable number.

144164772964609 is a deficient number, since it is larger than the sum of its proper divisors (435543121071).

144164772964609 is an equidigital number, since it uses as much as digits as its factorization.

144164772964609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435543121070.

The product of its (nonzero) digits is 438939648, while the sum is 70.

The spelling of 144164772964609 in words is "one hundred forty-four trillion, one hundred sixty-four billion, seven hundred seventy-two million, nine hundred sixty-four thousand, six hundred nine".